import numpy as np

if __name__ == '__main__':
    i = 0
    while(i<6):
        if(i<3):
            np.random.seed(0)
            print("----------")
            print(np.random.randn(1, 5))
        else:
            print("**********")
            print(np.random.randn(1, 5))
            pass
        i += 1
    i = 0
    while(i<2):
        print("<<<<<<<<<<")
        print(np.random.randn(1, 5))
        i += 1
    print(">>>>>>>>>>>>")    
    print(np.random.randn(2, 5))
    np.random.seed(0)
    i = 0
    while(i<8):
        print("???????????")
        print(np.random.randn(1, 5))
        i += 1